Every fraction of seconds someone needs blood. We every human being needs blood to survive. We are unlucky because still now science has done many things but unable to create blood or artificial blood cell. Your blood helps more than one life at a time. Accidents, premature babies, major surgeries require Whole blood, where your blood after testing is used directly. Trauma, Anemia, other surgeries requires only RBC, which is separated from your blood. The procedure of splitting blood components is called Cytapheresis. Similarly Platelets are used for Cancer patients undergoing Chemotherapy, Dengue fever, etc. Fresh frozen plasma is used for patients having massive Transfusions, Plasma is used for Burns and Cryoprecipitate is used for Hemophilia.
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